Pulse modulation

A pulse modulator comprising:

• a delay arrangement for receiving a first regular sequence of pulses and for delaying each received pulse several times to obtain a plurality of regular sequences of pulses having different phases;
• and
• a selection component for receiving from said delay arrangement a plurality of regular sequences of pulses having different phases, for receiving a modulating signal, wherein each possible value of said modulating signal is associated to one of said different phases, for selecting for each pulse of said first regular sequence of pulses a pulse of the respective regular sequence of pulses which sequence of pulses has a phase associated to a current value of said modulating signal, and for outputting said selected pulse as part of a pulse position modulated sequence of pulses;
• and
• further comprising a pulse generator for generating a regular sequence of pulses and for providing said generated regular sequence of pulses as the first regular sequence of pulses to said delay arrangement and in addition as a clock signal to said selection component.

A method of generating a modulated sequence of pulses, said method comprising the steps of:

• generating a first regular sequence of pulses;
• delaying via a shift register each of said generated pulses several times to obtain a plurality of regular sequences of pulses having different phases, wherein each possible value of a provided modulating signal is associated to one of said different phases;
• selecting for each pulse of said first regular sequence of pulses a pulse of the respective regular sequence of pulses which sequence of pulses has a phase associated to a current value of said modulating signal;
• and
• providing a respectively selected pulse as part of a pulse position modulated sequence of pulses.

A modulating system comprising a pulse modulator, which pulse modulator includes:

• a delay arrangement for receiving a first regular sequence of pulses and for delaying each received pulse several times to obtain a plurality of regular sequences of pulses having different phases;
• a selection component for receiving from said delay arrangement a plurality of regular sequences of pulses having different phases, for receiving a modulating signal, wherein each possible value of said modulating signal is associated to one of said different phases, for selecting for each pulse of said first regular sequence of pulses a pulse of the respective regular sequence of pulses which sequence of pulses has a phase associated to a current value of said modulating signal, and for outputting said selected pulse as part of a pulse position modulated sequence of pulses;
• and
• a pulse generator for generating a regular sequence of pulses and for providing said generated regular sequence of pulses as the first regular sequence of pulses to said delay arrangement and in addition as a clock signal to said selection component.

A method of generating a modulated sequence of pulses, said method comprising the steps of:

• generating via a pulse generator a regular sequence of pulses;
• providing said generated regular sequence of pulses as a first regular sequence of pulses;
• delaying each of said generated pulses several times to obtain a plurality of regular sequences of pulses having different phases, wherein each possible value of a provided modulating signal is associated to one of said different phases;
• selecting for each pulse of said first regular sequence of pulses a pulse of the respective regular sequence of pulses which sequence of pulses has a phase associated to a current value of said modulating signal, wherein said selecting receives said generated regular sequence of pulses as a clock signal;
• and
• providing a respectively selected pulse as part of a pulse position modulated sequence of pulses.